Satsuki, a boy high school boy and his childhood friend are riding in an underground train until it suddenly stops. Upon closer inspection the denizens of the train discover a mysterious beast! Panic sets in as...

The story begins in 2011 and follows Josuke Higashikata, a young man afflicted by retrograde amnesia, in his search to uncover his identity in Morioh Town, a coastal Japanese town affected by the Tohoku...